Hyundai Sonata: Engine coolant - MaintenanceHyundai Sonata: Engine coolant

The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.

Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CALIFORNIA PROPOSITION 65 WARNING Engine oil contains ...

Checking the coolant level
WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in se ...

See also:

Body Control Module (BCM). Schematic Diagrams
BCM Connector Terminals BCM Input Signal SPEC No Input signal name Logic state ON/OFF voltage recognition level (V) Remarks ...

Side repeater light bulb replacement
If the light bulb is not operating, have the vehicle checked by an authorized HYUNDAI dealer. ...

Windshield defrosting and defogging
WARNING - Windshield heating Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshiel ...